Problem 2: A negative charge of q = -9.8 x 10-17C and m = 2.5 × 10-26 kg enters a magnetic field B = 1.6 T with initial velocity v = 310 m/s, as shown in the figure. The magnetic field points into the screen. х х X х х х Randomized Variables X X X q = -9.8 × 10-17C m = 2.5 x 10-26 kg B = 1.6 T v = 310 m/s X X X X X X X х х X X X Part (a) Which direction will the magnetic force be on the charge? O Into the screen. O To the right. O Downward. O Out of the screen. O Upward. O To the left. Submit Hint Feedback I give up! Part (b) Express the magnitude of the magnetic force, F, in terms of q, v, and B. Part (c) Calculate the magnitude of the force F, in newtons. Part (d) Under such a magnetic force, which kind of motion will the charge undergo? Part (e) Express the centripetal acceleration of the particle in terms of the force F and the mass m. Part (f) Calculate the magnitude of a, in meters per square second. Part (g) Express the radius, R, of the circular motion in terms of the centripetal acceleration a and the speed v. Part (h) Calculate the numerical value of the radius R, in meters. > × IIIIIII

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Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.